PlexConnect

You can use PlexConnect as best alternative method for jailbreak Apple TV. Plex is much special because this tool can be use without jailbreak, also you have unlimited features. This tool currently support for Apple TV 2 and it will be with Apple TV 3 soon. You can use PlexConnect with most of the iOS versions running in your device. Plex can use only with port 80, also plex can run multiple media servers in your home.